Connect with Top-Rated Building Materials Suppliers in Blowing Rock!

Providing the Materials to Make Your Project a Success, Quality Building Materials for Every Project. 3 Rivers Building Supply in Blowing Rock, North Carolina, offers a wide selection of building materials, tools, and supplies to make whatever you are working on great. From lumber to windows and doors, we sell the name brands of construction supply you know and trust, affordably. Our knowledgeable and experienced employees will take care of you, with excellent customer relations to better serve the wonderful people of our community. We are the only authorized dealer of Marvin windows in our county. Our large selection offers a variety of different types and styles of lumber, including plywood, hardwood, treated lumber, dimensional lumber, composite wood decking, and siding. We also sell joist packages, hardware, and fasteners to help you get the job done right!